Feasibility Study of running an Anaerobic Digestion Plant coupled with a Combined Heat and Power Plant near Paris, France, processing 50,000 tons of food waste per year
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Inclou dades d'ús des de 2022
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hdl:2117/110795
Tipus de documentProjecte Final de Màster Oficial
Data2017-06-15
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
As human populations worldwide continue to expand, waste production and management solutions
are being reexamined to address global climate change issues. The objective of this work
was to determine whether constructing and running an anaerobic plant including electricity
and heat production was a feasible project. The plant would be located near Paris, France,
and process food waste. This work answers to both waste management and energy production
related issues.
Anaerobic digestion is a natural process during which organic matter is decomposed, producing
biogas rich in methane and a digestate which can be utilized as fertilizer. This biogas is then
combusted and its energy recovered. The first part of this study focuses on the process of anaerobic
digestion itself. Important parameters are identified such as moisture, pH, temperature or
C:N ratio of the material to process. A review of the current available technologies is conducted,
identifying different operation modes. These operation modes can differ in several ways, such
as the rate of feeding of the digester, the period of time the matter stays in the digester, or the
number of stages the process is divided into (i.e. whether the digestion occurs in 1, 2, or more
different containers). Also, the amount of methane obtained as output of the digestion process
depends on the initial composition of the material. Previous studies made it possible to link
different inputs with the expected quantity of methane produced. Based on research results and
industrial data, a sizing model was developed. It calculates every flux of matter going in and
out of a theoretical digestion plant. For a given input material, the model returns estimations
of the biogas, energy, and fertilizer production. This model is applied for the project feasibility
study, considering two different technologies: a wet and a dry process. The results obtained are
used to conduct an economical and environmental analysis, before concluding on the feasibility
of the project. Considering this specific project, the dry process is preferred from every point of
view. Despite the extra costs generated, the project would be a sustainable waste management
solution for the municipality, in line with present energetic and environmental concerns.
MatèriesSewage -- Purification -- Anaerobic treatment, Power resources, Factory and trade waste -- Recycling, Aigües residuals -- Depuració -- Tractament anaeròbic, Fonts d'energia, Residus industrials -- Reciclatge Factory and trade waste -- Recycling
TitulacióMÀSTER UNIVERSITARI EN ENGINYERIA DE L'ENERGIA (Pla 2013)
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Fitxers | Descripció | Mida | Format | Visualitza |
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TFM_OLIVARD_Pierre-Marie.pdf | 1,081Mb | Visualitza/Obre |